diff --git a/docker/Dockerfile.agent.alpine.multiarch b/docker/Dockerfile.agent.alpine.multiarch
index 5de3db18c..c15d113f8 100644
--- a/docker/Dockerfile.agent.alpine.multiarch
+++ b/docker/Dockerfile.agent.alpine.multiarch
@@ -8,9 +8,7 @@ RUN --mount=type=cache,target=/root/.cache/go-build \
     make build-agent
 
 FROM docker.io/alpine:3.20
-# renovate: datasource=repology depName=alpine_3_18/ca-certificates versioning=loose
-ENV CA_CERTIFICATES_VERSION="20240226-r0"
-RUN apk add -U --no-cache ca-certificates=${CA_CERTIFICATES_VERSION}
+RUN apk add -U --no-cache ca-certificates
 ENV GODEBUG=netdns=go
 EXPOSE 3000
 
diff --git a/docker/Dockerfile.cli.alpine.multiarch b/docker/Dockerfile.cli.alpine.multiarch
index e8348da87..0fbb3df90 100644
--- a/docker/Dockerfile.cli.alpine.multiarch
+++ b/docker/Dockerfile.cli.alpine.multiarch
@@ -8,9 +8,7 @@ RUN --mount=type=cache,target=/root/.cache/go-build \
     make build-cli
 
 FROM docker.io/alpine:3.20
-# renovate: datasource=repology depName=alpine_3_18/ca-certificates versioning=loose
-ENV CA_CERTIFICATES_VERSION="20240226-r0"
-RUN apk add -U --no-cache ca-certificates=${CA_CERTIFICATES_VERSION}
+RUN apk add -U --no-cache ca-certificates
 ENV GODEBUG=netdns=go
 ENV WOODPECKER_DISABLE_UPDATE_CHECK=true
 
diff --git a/docker/Dockerfile.server.alpine.multiarch b/docker/Dockerfile.server.alpine.multiarch
index 002cbcb69..094a9fe4d 100644
--- a/docker/Dockerfile.server.alpine.multiarch
+++ b/docker/Dockerfile.server.alpine.multiarch
@@ -1,10 +1,7 @@
 FROM docker.io/alpine:3.20
 
-# renovate: datasource=repology depName=alpine_3_18/ca-certificates versioning=loose
-ENV CA_CERTIFICATES_VERSION="20240226-r0"
-
 ARG TARGETOS TARGETARCH
-RUN apk add -U --no-cache ca-certificates=${CA_CERTIFICATES_VERSION}
+RUN apk add -U --no-cache ca-certificates
 ENV GODEBUG=netdns=go
 # Internal setting do NOT change! Signals that woodpecker is running inside a container
 ENV WOODPECKER_IN_CONTAINER=true